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Pressure Converter

Convert between PSI, bar, kPa, atm and other pressure units.

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Results

Result

2.2063

Bar

Bar

2.2063

Kilopascals

220.6323

Atmospheres

2.1775

mmHg

1,654.8831

inHg

65.1527

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Understanding Pressure Units

Pressure conversions are a common requirement in many fields, from automotive maintenance to scientific research. In the UK, you'll often encounter pressure measured in Pounds per Square Inch (PSI), especially for tyre pressures. However, the metric system's bar is standard in Europe and widely used in engineering and meteorology. Understanding how to convert between them is essential.

This free tool from  Calculator Site makes it easy to switch between PSI, bar, kilopascals (kPa), atmospheres (atm), and more. Whether you're checking your car's tyres or working on a technical project, you can get a quick and accurate conversion. For other useful conversions, check out our Temperature Converter.

Common Tyre Pressures

Most passenger car tyres should be inflated to between 30 and 35 PSI. Always check the sticker on the driver-side door jamb or your vehicle's manual for the manufacturer's specific recommendation. Under-inflation can be dangerous and increase fuel consumption, a cost you can track with our Fuel Cost Calculator.

Key Pressure Facts

Different units are standard in different contexts. Here are a few key reference points to help you understand the scale of various pressure measurements.

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14.504 PSI

Equivalent to 1 Bar

1013.25 hPa

Standard sea level pressure

33-35 PSI

Typical road bike tyre pressure

How to use this Calculator Site tool

Simply enter the value you want to convert in the input field. Select the unit you are converting from and the unit you want to convert to using the dropdown menus. The main result will be displayed prominently, and a table showing the equivalent value in all other available units will appear below. It is a fast and simple way to handle your pressure conversion needs.

Frequently Asked Questions

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